FR829249A
(en )
1938-06-16
Improvements in the construction of buses and coaches
FR816202A
(en )
1937-08-03
Improvements in mounting and fixing precious stones or others
FR822777A
(en )
1938-01-07
Gemstone fixing device
FR763971A
(en )
1934-05-11
Improvements in the construction and operation of filtration devices
FR832824A
(en )
1938-10-04
Improvements in the assembly of precious stones or other stones of all shapes
FR725266A
(en )
1932-05-10
Improvements in the treatment of filamentous and other materials
FR826559A
(en )
1938-04-04
Improvements relating to the fixation of precious stones by means of moving parts
FR821265A
(en )
1937-12-01
Device ensuring the circulation of the balls and the non-reversibility in the ball screws
FR824990A
(en )
1938-02-21
Improvements relating to the setting of precious stones
FR828777A
(en )
1938-05-30
Improvements in the construction of accordions and similar instruments
FR833651A
(en )
1938-10-27
Improvements in the construction and fixing of elastic protective bands for doors
FR48553E
(en )
1938-04-05
Improvements relating to the setting of precious stones
FR555864A
(en )
1923-07-07
Improvements in the concentration of ores and minerals
FR702149A
(en )
1931-03-30
Improvements in the treatment of ores and similar materials
FR49265E
(en )
1939-02-16
Improvements in the construction of accordions and similar instruments
FR811556A
(en )
1937-04-17
Improvement in the fixing of bands and gaiters
FR645050A
(en )
1928-10-18
Improvements in wheel construction and leveling
FR815462A
(en )
1937-07-12
Improvements in the assembly and mounting of radio receivers
FR637848A
(en )
1928-05-09
Improvements in the preparation of wetting agents and other analogues
FR778100A
(en )
1935-03-08
Improvements in the purification of siliceous sands and similar materials
FR637790A
(en )
1928-05-08
Magnetic sorter with visible poles and external action
BE331894A
(en )
1926-01-12
Racket press and assembly screws
FR917146A
(en )
1946-12-26
Improvements in fixing to the cross members of the bearings and rails
FR618784A
(en )
1927-03-18
Improvements in the processing of titaniferous ores
FR831344A
(en )
1938-08-30
Improvements in the refining of lead and lead alloys